251 Lonchocarpi. 
circular, a trifle sulcate ventrally, ventral suture a little the more 
arched, the cavity much wider than the seeds and so decidedly in- 
flated, smooth. Flowers white, 1-1.5 cm. long, straight, ascending. 
Calyx cylindrical, about 6 mm. long and 2 mm. wide, about round, 
with triangular rather fleshy oblique base attached on the lower 
corner straight with base, slightly oblique at tip, with subulate teeth 
from a deltoid base about 1 mm. long. Petals about as in A; Epis- 
copus. The flowers approach those of A. lonchocarpus. Lower Tem- 
perate life zone, growing in sandy places at House Rock north of 
Lee’s Ferry, Ariz. 
212. Astragalus Osterhouti n. sp. Pods (including the short 
stipe) 3.5-4 em. long, about 4 mm. high, slightly to much laterally 
flattened, the cross section being narrowly elliptical to oval, not at 
all sulcate at either suture, acuminate at both ends, the tip a long 
flat beak, the base with the rather thick sutures uniting into a stout 
stipe as long as or much shorter than the calyx, surface smooth, 
reticulations slight and wide, ventral suture inclined to be convex 
about two-thirds the way up, and sutures equally approaching above, 
but not always, with the general appearance of A. Kaibensis. Pods 
short-racemose, rather many, on pedicels 4-7 mm. long, which are 
several times longer than the small bracts. Flowers ochroleucous, 
about 2 cm. long, about as in A. racemosus. Banner about 1 cm. 
long, ovate, arched remotely from calyx to 45°, with sides much ‚re- 
flexed below, 4-6 mm. longer than wings. Wings about 2 mm. wide, 
3 mm. longer than keel, nearly straight. Keel about 4 mm. long and 
2 mm. wide, the tip very obtuse and rounded, 3 mm. high. Calyx 
tube 6-7 mm. long, about 4 mm. high, oblique and cleft deeper above, 
the base deltoid or rounded, not saccate, teeth not 1 mm. long, tri- 
angular, surface minutely pubescent with sparse and very short 
appressed hairs. Peduncles about a foot long, very stout, often 4 
mm. thick, subterminal. Leaves about 1 dm. long, wide,“of about 
4-5 pairs of linear, thick, blunt, rather arcuate leaflets 2-3 cm. 
long and 2 mm. wide, phyllodia-like and green as are the rachis and 
peduncles. Petiole shorter than the lowest leaflet. The upper leaf- 
lets are almost sessile and the lower rather long-petiolulate, but all 
jointed to the coarse but tapering rachis. Stems probably 2-3 ft. 
high. Stipules small, inclined to be connate opposite the petiole. 
This remarkably distinct species certainly belongs here in flowers 
and general fruit character but other characters remind one 
forcibly of the Episcopus group. Sulphur Springs, Grand Co., Colo- 
rado. Nos. 3038 and 3235, July, 1905, and June, 1906, Geo. E. Os- 
terhout for whom it is named. Lower Temperate life zone. 
213. Astragalus Duchesnensis Jones Cont. 13 9 (1910). Plants 
